JOURNAL OF GEOPHYSICAL RESEARCH, VOL. ???, XXXX, DOI:10.1029/, Thinning of Arctic sea ice observed in Fram Strait: 1 1990-2011 2 E. Hansen, 1 S. Gerland, 1 M. A. Granskog, 1 O. Pavlova, 1 A. H. H. Renner, 1 J. Haapala, 2 T. B. Løyning, 3 and M. Tschudi 4 S. Gerland, M. A. Granskog, E. Hansen, O. Pavlova and A. H. H. Renner, Norwegian Polar Institute, 9296 Tromsø, Norway. J. Haapala, Finnish Meteorological Institute, Erik Palmenin aukio, FI-00560 Helsinki, Finland. T. B. Løyning, Narvik University College, Lodve Langes gate 2, 8505 Narvik, Norway. M. Tschudi, CCAR, University of Colorado, UCB 431, Boulder, CO80309, Colorado, USA. 1 Norwegian Polar Institute, Tromsø, Norway. 2 Finnish Meteorological Institute, Helsinki, Finland. 3 Narvik University College, Narvik, Norway. 4 Colorado Center for Astrodynamics Research, University of Colorado, Boulder, Colorado, USA. DRAFT August 29, 2013, 7:27am DRAFT